Book of Anunnaki slot machine by Felix Gaming
Demo play uses virtual credits, NO real-money play and NO withdrawals
Release date
2019
Min. bet
0.1
Max. bet
70
Max. payout
1050000
Genre
Egypt
RTP (%):
94
Reels
5
Rows
3
Volatility
medium
Paylines
10
Mechanics
Free Spins , Wild , Scatter , Expanding Wilds
Book of Anunnaki slot review: RTP, bonuses & max win
Book of Anunnaki slot from Felix Gaming throws you into an ancientβtemple mystery with a familiar βbookβ mechanic, high volatility and the promise of big payouts if you can wait out the dry spells. The reels sit beneath a weathered stone lintel while scarabs, amulets and carved figurines glitter across a classic 5Γ3 grid. Thereβs no exact public release date listed at the time of writing, but a working test build is already appearing at several casinos. Whether youβre new to slots, nostalgic for oldβschool 5Γ3 titles, or hunting bonus rounds, Book of Anunnaki has something to offer: straightforward rules, sizeable top payouts on the paytable, and an extra feature called Hyper Jump that helps avoid long losing runs.
The game plays like a traditional βbookβ slot: a single special Book symbol acts as both Wild and Scatter, unlocking free spins when you land enough. Bet sizes and paylines follow the usual structure, so it's an easy pick for players who like a noβsurprises layout but want modern touches. Expect a highβvariance ride - sessions can go quiet, but a single free spins round with an expanding symbol can produce some of the most memorable moments you'll see on a mobile slot or desktop. If you prefer to test before risking real money, a demo mode is usually available at sites carrying Felix Gaming titles.
Bonus features and free spins
At the center of Book of Anunnaki is the Book symbol - it functions as both Wild and Scatter. As Wild it substitutes for other symbols to complete winning combinations; as Scatter it triggers the free spins round when you land the required number (the paytable shows three or more). When free spins begin you receive 10 free spins by default. Before the round starts, the game selects one regular symbol at random to act as the expanding symbol for the entire free spins sequence. Whenever that chosen symbol lands on a reel during the bonus, it expands to cover the whole reel, boosting the chance of multiple highβvalue matches and big payouts.
Hyper Jump is the slotβs second notable twist. This isnβt a gamble mechanic where you risk a win for a multiplier; itβs designed as a quick βjumpβ out of a losing streak. If youβre stuck with a run of dry spins, Hyper Jump gives you an immediate new spin opportunity without waiting through the standard spin cycle, helping to keep sessions lively. In practice free spins are relatively rare - be prepared for long stretches without a bonus - but when the expanding symbol lines up on several reels the results can be dramatic, providing the kind of bonus round payoff that makes patience worthwhile.
Theme, graphics and sound
Book of Anunnaki aims for an atmospheric, archaeological vibe rather than bombastic spectacle. The palette leans sandβwarmed with faint candlelight highlights; stone textures, metal patina and carved pictographs give the reels a tactile, slightly weathered look. Character and artifact symbols are nicely detailed - you can spot fine patterns on amulets and subtle motion when a significant win hits. Animations are tasteful and focused on payoff moments instead of constant motion, which keeps the visual experience from getting exhausting.
Audio supports the theme: soft percussive pulses and the occasional wind or sand shuffle create a templeβlike ambient bed rather than a driving soundtrack. Sound effects are restrained and used to emphasize big wins and feature triggers rather than dominate play. If you appreciate a moody, treasureβhunting aesthetic, the slotβs presentation complements the mechanics rather than attempting to outshine them.
Gameplay and core mechanics
The gameplay is easy to read: a standard 5Γ3 reel grid with conventional paylines and a stake system that scales your wins. The core mechanics include the classic Book formula - a single special symbol that both substitutes and triggers the bonus - and the expanding symbol mechanic within free spins. This means one symbol gets selected to expand across any reel where it appears during the bonus, increasing the chance for large combinations and multiple concurrent wins on the same spin.
Hyper Jump is the original mechanic that gives Book of Anunnaki a livelier feel. It acts as a fast retry option for when regular spins are underwhelming: instead of sitting through the automated spin cadence after a losing streak, Hyper Jump skips you forward to a fresh attempt. There are no cascading reels or tumbling mechanics here; wins are evaluated per spin and symbols do not cascade. Multiple wins can still occur on a single spin because different paylines are paid separately, and the expanded symbols in free spins make multiβpayline payouts common during the bonus round.
Symbols and paytable
The lowβvalue symbols are the usual card ranks (10, J, Q, K, A). Above them sit thematic mid and high symbols: scarab, amulet, a triangular artifact and a carved statuette. The Book symbol doubles as Wild and Scatter: it substitutes for other symbols and triggers 10 free spins when enough Books appear. During free spins the randomly chosen expanding symbol can fill whole reels and drastically increase payout potential by creating multiple fiveβofβaβkind combinations across paylines.
| Symbol | Payout for 5 |
|---|---|
| Book | $70,000 (if bet $1) |
| Statuette | $35,000 (bet $1) |
| Triangular symbol | $14,000 (bet $1) |
| Scarab / Amulet | β $5,250 (bet $1) |
The figures above come directly from the game paytable assuming a $1 stake. If you choose a smaller bet, scale those payouts proportionally - e.g., a $0.50 bet will halve the listed amounts. Remember the expanding symbol in free spins is the main way to convert midβvalue symbols into large, sessionβchanging wins.
RTP, volatility and win potential
Felix Gaming does not always publish a single, universal RTP for test builds; that said, comparable βbookβ slots typically sit around 95-96% RTP. Book of Anunnaki plays like a highβvolatility title: long stretches without meaningful payouts are possible, but a single free spins bonus with expanding symbols can deliver very large returns. The paytableβs top values are substantial on paper, and the practical route to those highs is through the bonus round rather than regular spins.
What players should expect is a riskier ride with fewer, larger wins instead of constant small hits. If you prefer frequent small returns, this slot is probably not your best choice. If you chase the excitement of a single sizable payout, itβs well suited to that aim. Always play within your limits - this is a highβvolatility slot that can run dry between big hits.
Demo mode and platform availability
Most casinos that host Felix Gaming titles include a demo mode, so you can try Book of Anunnaki for free before wagering real money. The demo is useful for understanding how the expanding symbol and Hyper Jump interact without risking bankroll. On mobile the slot behaves well: the layout scales to smaller screens, buttons remain readable and the touch controls are responsive. Desktop play is equally smooth and benefits from the extra screen real estate for spotting pattern possibilities during free spins.
Editorial Rating
4.2
Pros

Expanding symbol in free spins

Hyper Jump quick retry feature

Large top payouts via bonus

Mobile and desktop friendly
Cons

High volatility; long dry spells

Free spins are relatively rare

No cascading/tumbling mechanics
Conclusion - author opinion and who should play
Book of Anunnaki is a solid pick for players who enjoy archaeological themes, the classic book mechanic and the chance of occasional, large payout swings. The package isnβt revolutionary, but it combines a reliable and familiar bonus formula with a couple of modern touches - most notably the Hyper Jump fastβretry feature - that keep longer sessions interesting. The visuals and audio set a consistent mood without overdoing it, and the expanding symbol in free spins is the real excitement driver.
If youβre new to slots, the clear rules make it easy to learn; if youβre an experienced player chasing big payouts, the high volatility and the bonus potential are likely to appeal. Be prepared for infrequent free spins and long dry periods; patience is a meaningful part of the strategy here. Try the free demo first to get a feel for Hyper Jump and the expanding symbol behavior before playing for real money.